Missing responses.json when opening ert

[sondreso]

What happened? (You can include a screenshot if it helps explain)

The following exception was found in the logs:

Traceback (most recent call last):
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/__main__.py", line 690, in main
args.func(args, context.plugin_manager)
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/__main__.py", line 195, in run_gui_wrapper
run_gui(args, ert_plugin_manager)
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/main.py", line 55, in run_gui
window, ens_path = _start_initial_gui_window(args, log_handler, plugin_manager)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/main.py", line 128, in _start_initial_gui_window
_main_window = _setup_main_window(
^^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/main.py", line 169, in _setup_main_window
window.post_init()
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/main_window.py", line 231, in post_init
experiment_panel = ExperimentPanel(
^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/simulation/experiment_panel.py", line 152, in __init__
EvaluateEnsemblePanel(ensemble_size, run_path, notifier),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/simulation/evaluate_ensemble_panel.py", line 54, in __init__
self._realizations_from_fs()
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/gui/simulation/evaluate_ensemble_panel.py", line 88, in _realizations_from_fs
missing_responses = ~ensemble.get_realization_mask_with_responses()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/storage/local_ensemble.py", line 251, in get_realization_mask_with_responses
[
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/storage/local_ensemble.py", line 252, in <listcomp>
self._responses_exist_for_realization(i, key)
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/storage/local_ensemble.py", line 300, in _responses_exist_for_realization
if not self.experiment.response_configuration:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/storage/local_experiment.py", line 300, in response_configuration
for data in self.response_info.values():
^^^^^^^^^^^^^^^^^^
File "/prog/res/komodo/2024.11.11-py311-rhel8/root/lib64/python3.11/site-packages/ert/storage/local_experiment.py", line 263, in response_info
raise ValueError(f"{self._responses_file!s} does not exist")
ValueError: responses.json does not exist

Link to trace: https://fmu-dashboard-fdeqekb8chekcqhu.neu.grafana.azure.com/d/ae0bpm0169ou8e/traces?from=now-30d&to=now&var-operation_id=352106f845ac2bdc5ffc781da018384c

What did you expect to happen?

Not crash

steps to reproduce

TBD

Environment where bug has been observed

• python 3.11
• python 3.12
• macosx
• rhel7
• rhel8
• local queue
• lsf queue
• slurm queue
• openPBS queue

[jonathan-eq]

This was fixed by e480001. Will backport
EDIT: Was not fixed by this commit

[jonathan-eq]

I want to disable the buttons for ensembles on an invalid experiment, so the user won't be able to interact with those.

[jonathan-eq]

The error can also come from forward_model_ok
EDIT: This can happen if the responses.json file is deleting in the middle of a run